QNAP TS-251 User Manual

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2. Install the HDD:
a. For 3.5” HDDs, remove both brackets (pinch the end marked “pull” to pull and
separate the bracket) from the tray. Place the hard drive on the tray and clip-in
both brackets.

QNAP TS-251 Specifications

General

Flash Memory	512MB
Drive Bays	2
Hot Swappable Drive	Yes
Power Supply	65W adapter, 100-240V
Form Factor	Tower
Memory	1GB DDR3L RAM (expandable up to 8GB)
Network	2 x Gigabit RJ-45 Ethernet port
USB Ports	2 x USB 3.0, 2 x USB 2.0
HDMI Output	1
Weight	1.28 kg
Operating System	QTS
Dimensions	168 x 102 x 225 mm (6.61 x 4.02 x 8.86 inches)